Yes this is a clinical syndrome in which the heart is unable to maintain a thrown appropriate to the metabolic needs of the tissues. Most of the patients are children under one year old. The causes of decompensation cardiovascular are: congenital heart disease, acquired heart disease, aroxysmal supraventricular tachycardia and iatrogenic causes.
Which are the symptoms?
The most obvious symptoms are cyanosis, wheezing, expiratory groaning, tachypnea, edema, distention of neck veins, dystrophy, pallor, sweating, pulse variation, and galloping rhythm. Should these symptoms occur, oxygen therapy should be given immediately, the child should be hydrated, and the child should be positioned semi-sedated.
Source: Mediserve‘s Medical Emergencies in Pediatrics.